Englishfor English speakers
investment
Noun
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Investment is the use of money, time, or effort to make a profit.
The economic Development Board, set up in 1961 to promote foreign investment in Singapore, has attracted money from around the world.
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Your investment is the money, time, or effort you use to make a profit.
Often you'll have to wait for years before you can get even part of your investment back.
Buying an old laptop is a bad investment because a new technology is better.
account
Noun
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An account is an arrangement with a bank or other company to do business.
I opened a bank account when I moved into town.
The internet company cancelled my e-mail account.
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The records of the money that is paid or received. (often plural)
The accounts show that your bill has already been paid.
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A description of events
The account that he gave didn't match the story that was in the newspaper.
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If you take something into account, you think about it when you decide something.
Effective leaders have to take account of everyone's feelings.
account
Verb
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If mathx/math accounts for mathy/math, it explains why mathy/math happens or exists.
Oh, she was sick. Well, that accounts for her poor test score.